MORGAN STANLEY

Position in PTCT — Ptc Therapeutics, Inc.

CIK 895421 NEW YORK, NY

Back to PTCT Full portfolio

Position in PTCT

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$90,026,765

+$44,098,019 QoQ

Shares Held

1,103,675

+63.7% QoQ

Ownership

1.32%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#22

of 383 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 96% Shared 0% None 4%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MORGAN STANLEY holds $16,838,649,954 across 523 Biotechnology names. PTCT ranks #40 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RPRX	Royalty Pharma plc	42,931,597	$2,407,174,637
2	VRTX	Vertex Pharmaceuticals Inc / Ma	3,242,139	$1,610,467,694
3	ROIV	Roivant Sciences Ltd.	42,592,905	$1,507,362,901
4	REGN	Regeneron Pharmaceuticals, Inc.	1,397,712	$871,529,332
5	MRNA	Moderna, Inc.	9,538,094	$667,952,718
6	ARGX	Argenx SE	643,123	$596,670,219
7	TECH	BIO-TECHNE Corp	6,374,717	$450,373,747
8	INCY	Incyte Corp	2,948,364	$334,226,536

All Filings in PTCT

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$90,026,765	1,103,675	+63.7%	Shares	Defined	2026-08-13
2026-03-31	$45,928,746	674,134	-25.5%	Shares	Defined	2026-05-15
2025-12-31	$68,758,379	905,192	+115.8%	Shares	Defined	2026-05-27
2025-09-30	$25,739,619	419,417	-63.9%	Shares	Defined	2026-05-27
2025-06-30	$56,817,472	1,163,339	+22.5%	Shares	Defined	2025-08-15
2025-03-31	$48,383,153	949,434	-11.6%	Shares	Defined	2025-05-15
2024-12-31	$48,472,096	1,073,817	-7.3%	Shares	Defined	2025-05-15
2024-09-30	$42,963,800	1,158,054	-23.6%	Shares	Defined	2025-05-14
2024-06-30	$46,382,425	1,516,757	-26.5%	Shares	Defined	2025-05-14
2024-03-31	$60,013,858	2,063,041	+65.5%	Shares	Defined	2024-10-17
2023-12-31	$34,346,894	1,246,259	+186.0%	Shares	Defined	2024-08-16
2023-09-30	$9,764,931	435,740	+14.3%	Shares	Defined	2023-11-15
2023-06-30	$15,498,357	381,076	+68.7%	Shares	Defined	2023-08-14
2023-03-31	$10,942,108	225,890	-24.1%	Shares	Defined	2023-05-15
2022-12-31	$11,361,868	297,665	+4.7%	Shares	Defined	2023-02-14
2022-09-30	$14,269,298	284,249	-33.0%	Shares	Defined	2022-11-14
2022-06-30	$17,000,939	424,387	+23.5%	Shares	Defined	2022-10-27
2022-03-31	$12,817,250	343,534	+59.3%	Shares	Defined	2022-10-27
2021-12-31	$8,591,925	215,715	+414.2%	Shares	Defined	2022-02-14
2021-09-30	$1,560,956	41,950	-76.6%	Shares	Defined	2021-11-15
2021-06-30	$7,586,659	179,481	+859.6%	Shares	Defined	2021-08-23
2021-03-31	$885,585	18,703	-63.9%	Shares	Defined	2021-05-17
2020-12-31	$3,165,992	51,876	+161.3%	Shares	Defined	2021-02-16
2020-09-30	$928,173	19,854	-29.9%	Shares	Defined	2020-11-13
2020-06-30	$1,437,868	28,338	-67.0%	Shares	Defined	2020-08-14
2020-03-31	$3,830,749	85,872	—	Shares	Defined	2020-05-26
No filing history on record for this holder in this stock.